function GetFunName(){
	var c = getUrlParam('c');
	var t = getUrlParam('type');
	c = c.replace('.',"");
	return c+t;
}
//获取url中的参数
function getUrlParam(name) {
    var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)"); //构造一个含有目标参数的正则表达式对象
    var r = window.location.search.substr(1).match(reg);  //匹配目标参数
    if (r != null) return unescape(r[2]); return null; //返回参数值
}

(function($){
    // 当domReady的时候开始初始化
    $(function() {
        var $wrap = $('.uploader-list-container'),

            // 图片容器
        	$queue = $('<ul class="filelist"></ul>')
        		.appendTo( $wrap.find('.queueList')),
        		
            // 状态栏，包括进度和控制按钮
            $statusBar = $wrap.find('.statusBar'),

            // 文件总体选择信息。
            $info = $statusBar.find('.info'),

            // 上传按钮
            $upload = $wrap.find('.uploadBtn'),

            // 没选择文件之前的内容。
            $placeHolder = $wrap.find('.placeholder'),

            $progress = $statusBar.find('.progress').hide(),

            // 添加的文件数量
            fileCount = 0,

            // 添加的文件总大小
            fileSize = 0,

            // 优化retina, 在retina下这个值是2
            ratio = window.devicePixelRatio || 1,

            // 缩略图大小
            thumbnailWidth = 220 * ratio,
            thumbnailHeight =220 * ratio,

            // 可能有pedding, ready, uploading, confirm, done.
            state = 'pedding',

            // 所有文件的进度信息，key为file id
            percentages = {},
            // 判断浏览器是否支持图片的base64
            isSupportBase64 = ( function() {
                var data = new Image();
                var support = true;
                data.onload = data.onerror = function() {
                    if( this.width != 1 || this.height != 1 ) {
                        support = false;
                    }
                }
                data.src = "";
                return support;
            } )(),

            // 检测是否已经安装flash，检测flash的版本
            flashVersion = ( function() {
                var version;

                try {
                    version = navigator.plugins[ 'Shockwave Flash' ];
                    version = version.description;
                } catch ( ex ) {
                    try {
                        version = new ActiveXObject('ShockwaveFlash.ShockwaveFlash')
                                .GetVariable('$version');
                    } catch ( ex2 ) {
                        version = '0.0';
                    }
                }
                version = version.match( /\d+/g );
                return parseFloat( version[ 0 ] + '.' + version[ 1 ], 10 );
            } )(),

            supportTransition = (function(){
                var s = document.createElement('p').style,
                    r = 'transition' in s ||
                            'WebkitTransition' in s ||
                            'MozTransition' in s ||
                            'msTransition' in s ||
                            'OTransition' in s;
                s = null;
                return r;
            })(),

            // WebUploader实例
            uploader;

        if ( !WebUploader.Uploader.support('flash') && WebUploader.browser.ie ) {

            // flash 安装了但是版本过低。
            if (flashVersion) {
                (function(container) {
                    window['expressinstallcallback'] = function( state ) {
                        switch(state) {
                            case 'Download.Cancelled':
                                alert('您取消了更新！')
                                break;

                            case 'Download.Failed':
                                alert('安装失败')
                                break;

                            default:
                                alert('安装已成功，请刷新！');
                                break;
                        }
                        delete window['expressinstallcallback'];
                    };

                    var swf = 'expressInstall.swf';
                    // insert flash object
                    var html = '<object type="application/' +
                            'x-shockwave-flash" data="' +  swf + '" ';

                    if (WebUploader.browser.ie) {
                        html += 'classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" ';
                    }

                    html += 'width="100%" height="100%" style="outline:0">'  +
                        '<param name="movie" value="' + swf + '" />' +
                        '<param name="wmode" value="transparent" />' +
                        '<param name="allowscriptaccess" value="always" />' +
                    '</object>';

                    container.html(html);

                })($wrap);

            // 压根就没有安转。
            } else {
                $wrap.html('<a href="http://www.adobe.com/go/getflashplayer" target="_blank" border="0"><img alt="get flash player" src="http://www.adobe.com/macromedia/style_guide/images/160x41_Get_Flash_Player.jpg" /></a>');
            }

            return;
        } else if (!WebUploader.Uploader.support()) {
            alert('Web Uploader 不支持您的浏览器！');
            return;
        }

        // 实例化
        uploader = WebUploader.create({
            pick: {
                id: '#'+pageCFun+'filePicker-2',
                label: '点击选择图片',
				multiple:true
            },
			accept:{
				title: 'Images',
				extensions: 'gif,jpg,jpeg,bmp,png',
				mimeTypes: 'image/*'
			},
			auto:true,
			prepareNextFile:true,
            dnd: '#'+pageCFun+'dndArea',
            paste: '#'+pageCFun+'uploader',
            swf: '/files/js/webupload/Uploader.swf',
            chunked: false,
            chunkSize: 512 * 1024,
            server: 'index.php?a=yes&c=upload&t=img&cid='+pageCid+'&module='+pageModule,
			compress:false,
            // runtimeOrder: 'flash',

            // 禁掉全局的拖拽功能。这样不会出现图片拖进页面的时候，把图片打开。
            disableGlobalDnd: true,
            fileNumLimit: 30,
            fileSizeLimit: 20 * 1024 * 1024,    // 20 M
            fileSingleSizeLimit: 2 * 1024 * 1024    // 2 M
        });

        // 拖拽时不接受 js, txt 文件。
        uploader.on('dndAccept', function( items ) {
            var denied = false,
                len = items.length,
                i = 0,
                // 修改js类型
                unAllowed = 'text/plain;application/javascript ';

            for ( ; i < len; i++ ) {
                // 如果在列表里面
                if ( ~unAllowed.indexOf( items[ i ].type ) ) {
                    denied = true;
                    break;
                }
            }

            return !denied;
        });

        uploader.on('dialogOpen', function() {
            console.log('here');
        });



        // 添加“添加文件”的按钮，
        uploader.addButton({
            id: '#'+pageCFun+'filePicker2',
            label: '继续添加'
        });

        uploader.on('ready', function() {
            window.uploader = uploader;
        });

        // 当有文件添加进来时执行，负责view的创建
        function addFile( file ) {
            var $li = $('<li id="'+pageCFun+'' + file.id + '">' +
                    '<div class="del" onClick="DelWebUpload(this)" data-id=""></div>' +
                    '<p class="imgWrap"></p>'+
                    '<p class="progress"><span></span></p>' +
					'<p class="alt"><input type="hidden" id="'+pageCFun+'picurls"><input type="text" id="'+pageCFun+'alts" size="16" class="form-control" placeholder="请填写注释"></p>' +
                    '</li>'),

                $btns = $('<div class="file-panel">' +
                    '<span class="cancel">删除</span>' +
                    '<span class="rotateRight">向右旋转</span>' +
                    '<span class="rotateLeft">向左旋转</span></div>').appendTo( $li ),
                $prgress = $li.find('p.progress span'),
                $wrap = $li.find('p.imgWrap'),
                //$wrap = $('#'+pageCFun+file.id +' .imgWrap'),
                $info = $('<p class="error"></p>'),

                showError = function( code ) {
                    switch( code ) {
                        case 'exceed_size':
                            text = '文件大小超出';
                            break;

                        case 'interrupt':
                            text = '上传暂停';
                            break;

                        default:
                            text = '上传失败，请重试';
                            break;
                    }

                    $info.text( text ).appendTo( $li );
                };

            if ( file.getStatus() === 'invalid') {
                showError( file.statusText );
            } else {
                // @todo lazyload
                $wrap.text('预览中');
                uploader.makeThumb( file, function( error, src ) {
                    var img;

                    if ( error ) {
                        $wrap.text('不能预览');
                        return;
                    }
                    if( isSupportBase64 ) {
                        img = $('<img style="border-radius:5px" src="'+src+'">');
                        $wrap.empty().append( img );
                    } else {
                        $.ajax('imgpreview.php', {
                            method: 'POST',
                            data: src,
                            dataType:'json'
                        }).done(function( response ) {
                            if (response.result) {
                                img = $('<img src="'+response.result+'">');
                                $wrap.empty().append( img );
                            } else {
                                $wrap.text("预览出错");
                            }
                        });
                    }
                }, thumbnailWidth, thumbnailHeight );

                percentages[ file.id ] = [ file.size, 0 ];
                file.rotation = 0;
            }

            file.on('statuschange', function( cur, prev ) {
                if ( prev === 'progress') {
                    $prgress.hide().width(0);
                } else if ( prev === 'queued') {
                    $li.off('mouseenter mouseleave');
                    $btns.remove();
                }

                // 成功
                if ( cur === 'error' || cur === 'invalid') {
                    showError( file.statusText );
                    percentages[ file.id ][ 1 ] = 1;
                } else if ( cur === 'interrupt') {
                    showError('interrupt');
                } else if ( cur === 'queued') {
                    percentages[ file.id ][ 1 ] = 0;
                } else if ( cur === 'progress') {
                    $info.remove();
                    $prgress.css('display', 'block');
                } else if ( cur === 'complete') {
					$li.find('.progress').hide();
                    $li.append('<span class="success"></span>');
                }

                $li.removeClass('state-' + prev ).addClass('state-' + cur );
            });

            $li.on('mouseenter', function() {
                $btns.stop().animate({height: 30});
            });

            $li.on('mouseleave', function() {
                $btns.stop().animate({height: 0});
            });

            $btns.on('click', 'span', function() {
                var index = $(this).index(),
                    deg;

                switch ( index ) {
                    case 0:
                        uploader.removeFile( file );
                        return;

                    case 1:
                        file.rotation += 90;
                        break;

                    case 2:
                        file.rotation -= 90;
                        break;
                }

                if ( supportTransition ) {
                    deg = 'rotate(' + file.rotation + 'deg)';
                    $wrap.css({
                        '-webkit-transform': deg,
                        '-mos-transform': deg,
                        '-o-transform': deg,
                        'transform': deg
                    });
                } else {
                    $wrap.css('filter', 'progid:DXImageTransform.Microsoft.BasicImage(rotation='+ (~~((file.rotation/90)%4 + 4)%4) +')');
                }


            });

            $li.appendTo( $queue );
        }

        // 负责view的销毁
        function removeFile( file ) {
            var $li = $('#'+pageCFun+''+file.id);

            delete percentages[ file.id ];
            updateTotalProgress();
            $li.off().find('.file-panel').off().end().remove();
        }

        function updateTotalProgress() {
            var loaded = 0,
                total = 0,
                spans = $progress.children(),
                percent;

            $.each( percentages, function( k, v ) {
                total += v[ 0 ];
                loaded += v[ 0 ] * v[ 1 ];
            } );

            percent = total ? loaded / total : 0;


            spans.eq( 0 ).text( Math.round( percent * 100 ) + '%');
            spans.eq( 1 ).css('width', Math.round( percent * 100 ) + '%');
            updateStatus();
        }

        function updateStatus() {
                stats = uploader.getStats();
                text = '共' + fileCount + '张（' +
                        WebUploader.formatSize( fileSize )  +
                        '），已上传' + stats.successNum + '张';

                if ( stats.uploadFailNum ) {
                    text += '，失败' + stats.uploadFailNum + '张';
                }
            $info.html( text );
        }

        function setState( val ) {
            var file, stats;

            if ( val === state ) {
                return;
            }

            $upload.removeClass('state-' + state );
            $upload.addClass('state-' + val );
            state = val;

            switch ( state ) {
                case 'pedding':
                    $placeHolder.removeClass('element-invisible');
                    $queue.hide();
                    $statusBar.addClass('element-invisible');
                    uploader.refresh();
                    break;

                case 'ready':
                    $placeHolder.addClass('element-invisible');
                    $('#'+pageCFun+'filePicker2').removeClass('element-invisible');
                    $queue.show();
                    $statusBar.removeClass('element-invisible');
                    uploader.refresh();
                    break;

                case 'uploading':
                    $('#'+pageCFun+'filePicker2').addClass('element-invisible');
                    $progress.show();
                    $upload.text('暂停上传');
                    break;

                case 'paused':
                    $progress.show();
                    $upload.text('继续上传');
                    break;

                case 'confirm':
                    $progress.hide();
                    $('#'+pageCFun+'filePicker2').removeClass('element-invisible');
                    $upload.remove();
                    $upload.text('开始上传');

                    stats = uploader.getStats();
                    if ( stats.successNum && !stats.uploadFailNum ) {
                        setState('finish');
                        return;
                    }
                    break;
                case 'finish':
                    stats = uploader.getStats();
                    if ( stats.successNum ) {
                    } else {
                        // 没有成功的图片，重设
                        state = 'done';
                        location.reload();
                    }
                    break;
            }

            updateStatus();
        }

        uploader.onUploadProgress = function( file, percentage ) {
            var $li = $('#'+pageCFun+''+file.id),
                $percent = $li.find('.progress span');

            $percent.css('width', percentage * 100 + '%');
            percentages[ file.id ][ 1 ] = percentage;
            updateTotalProgress();
        };

        uploader.onFileQueued = function( file ) {
            fileCount++;
            fileSize += file.size;

            if ( fileCount === 1 ) {
                $placeHolder.addClass('element-invisible');
                $statusBar.show();
            }

            addFile( file );
            setState('ready');
            updateTotalProgress();
        };
		uploader.onUploadSuccess = function(file,json) {
			response = json.data;
			$('#'+pageCFun+''+file.id).find(".del").attr("data-id",response.fileid);
			$('#'+pageCFun+''+file.id).find(".alt").find("#"+pageCFun+"alts").attr("name","pic[alt]["+response.fileid+"]");
			$('#'+pageCFun+''+file.id).find(".alt").find("#"+pageCFun+"picurls").val(response.abspath).attr("name","pic[src]["+response.fileid+"]");
        };
        uploader.onFileDequeued = function( file ) {
            fileCount--;
            fileSize -= file.size;

            if ( !fileCount ) {
                setState('pedding');
            }

            removeFile( file );
            updateTotalProgress();

        };

        uploader.on('all', function( type ) {
            var stats;
            switch( type ) {
                case 'uploadFinished':
                    setState('confirm');
                    break;

                case 'startUpload':
                    setState('uploading');
                    break;

                case 'stopUpload':
                    setState('paused');
                    break;

            }
        });
        uploader.onError = function( code ) {
            alert('Eroor: ' + code );
        };

        $upload.on('click', function() {
            if ( $(this).hasClass('disabled') ) {
                return false;
            }

            if ( state === 'ready') {
                uploader.upload();
            } else if ( state === 'paused') {
                uploader.upload();
            } else if ( state === 'uploading') {
                uploader.stop();
            }
        });

        $info.on('click', '.retry', function() {
            uploader.retry();
        } );

        $info.on('click', '.ignore', function() {
            alert('todo');
        } );

        $upload.addClass('state-' + state );
        updateTotalProgress();
    });

})(jQuery);

//删除已经上传的图片(编辑时用)
function DelWebUpload($this){
	var obj = $($this);
	
	var options={url:'index.php?c=upload.upload&a=yes&t=del&id='+obj.data("id"),reload:false}
	obj.bjuiajax('doAjax', options);
	
	obj.parent().remove();
}